値下げ 29%

Sony a7 III Black 2018

★★★★★ 4.8 (5,901)

A 24.2MP full-frame BSI sensor paired with a 693-point hybrid AF system delivers reliable subject tracking and 10fps bursts, making it a versatile workhorse. Its 5-stop IBIS and 610-shot battery life provide all-day shooting stability without constant power concerns. This body is best for wedding and event photographers who need dependable autofocus and strong low-light performance in a weather-sealed package.

Type mirrorless
Sensor 25.9MP full-frame
AF Points 693 pts
Burst 10 fps
Video 4K @30fps
IBIS はい
Weather Sealed はい
Weight 650 g
Sony a7 III Black 2018 camera
86 総合スコア
他の国でも利用可能:

概要

オーナーの声

購入者の評価が時間とともにどう変化したか

独自

顧客が実際にレビューを書いた時期に基づいています。発売当初の高評価が続いたかどうかがわかります。

発売以降、購入者の評価は低下しています
1★2★3★4★5★Q4 '21: 5.0★ · 2 レビューQ1 '22: 4.9★ · 8 レビューQ2 '22: 4.5★ · 4 レビューQ3 '22: 4.9★ · 7 レビューQ4 '22: 5.0★ · 6 レビューQ1 '23: 4.2★ · 6 レビューQ2 '23: 4.8★ · 4 レビューQ3 '23: 5.0★ · 7 レビューQ4 '23: 4.9★ · 44 レビューQ1 '24: 5.0★ · 23 レビューQ2 '24: 4.9★ · 32 レビューQ3 '24: 4.7★ · 28 レビューQ4 '24: 4.7★ · 32 レビューQ1 '25: 5.0★ · 22 レビューQ2 '25: 4.9★ · 70 レビューQ3 '25: 4.8★ · 66 レビューQ4 '25: 4.9★ · 61 レビューQ1 '26: 4.9★ · 61 レビューQ2 '26: 4.9★ · 34 レビューQ3 '26: 3.7★ · 3 レビュー2847664744233228322270666161343Q4 '21Q2 '22Q4 '22Q2 '23Q4 '23Q2 '24Q4 '24Q2 '25Q4 '25Q2 '26Q3 '26
平均評価満足(4〜5★)不満(1〜2★)バーの高さ = レビュー件数
  1. Q2 202696/1005.0★14 レビュー

    Buyers in this period overwhelmingly praise the Sony A7 III's image quality, autofocus, low-light performance, and battery life. Despite its 2018 release, they still consider it a top value full-frame camera in 2026.

    • Excellent image quality, dynamic range, low-light, and sharpness even after years.
    • Fast and accurate autofocus with eye tracking, great for portraits and action.
    • Excellent battery life allowing full-day shoots without frequent recharging.
    • Menu system feels outdated with some learning curve; buyer recommends external charger for slow camera charging.
  2. Q1 202655/1004.5★5 レビュー

    Mixed reviews: one user loves their first camera, another praises low-light performance, but a verified buyer reports serious reliability issues with SD card and shutter.

    • SD card incompatibility and potential shutter failure; user very disappointed and warns others.
    • Low-light performance excellent; no flash needed at high ISO with low noise.
    • One user loves the camera as their first purchase, gave 4 stars.
    • One review is a sincere request for a free camera; not a genuine product rating.
  3. Q4 202582/1005.0★5 レビュー

    Buyers praised the Sony a7 III for excellent image quality, performance, and value, particularly for professional work and as an upgrade from older cameras.

    • Great image quality and low-light performance exceed expectations.
    • Excellent value and performance compared to newer full-frame cameras.
    • Reliable and versatile for both photography and video work.
    • Comfortable handling and user-friendly features.
  4. Q3 202585/1004.8★12 レビュー

    Buyers praise the A7III for value, image quality, and reliability in 2025. Some use it as a second body alongside newer models.

    • Excellent value for money, often preferred over newer models for cost-benefit ratio
    • Impressive image and video quality, meeting professional and hobbyist needs
    • Reliable as a second body or main camera, with seamless pairing between units
    • Minor issue: Sony discount coupon not honored after registration, but not B&H's fault
  5. Q2 202582/1004.8★9 レビュー

    Buyers find the A7 III loaded with features, great image quality, and fast autofocus, though one report criticizes the rear screen display.

    • Excellent image quality, especially in low light, and fast, accurate autofocus.
    • Rear LCD screen may not match EVF or output, making exposure hard to judge without EVF.
    • Camera is lightweight, packed with features, and versatile for photography and videography.
    • One buyer notes difficulty finding accessories for this older model.
  6. Q1 202596/1004.8★5 レビュー

    Buyers praised the camera as excellent value with advanced features, ideal for hybrid photography and videography, though one noted the non-flippy screen as a limitation.

    • Excellent value and advanced technology for photography and videography.
    • Great for wedding photography and street art shooting.
    • Best full-frame hybrid camera, a must-have for creators.
    • Small hands-friendly but non-flippy screen limits flexibility.
  7. Q4 202491/1004.6★11 レビュー

    Buyers praise the Sony a7III for excellent low-light performance, ease of use, and hybrid photo/video capabilities. One negative review reports a missing battery and poor customer service.

    • Low-light performance is exceptional, excelling in challenging conditions.
    • Camera is user-friendly for beginners and hobbyists.
    • Excellent hybrid performance for both photo and video workflows.
    • One buyer received a kit with a missing battery and cannot reach support.
  8. Q3 202492/1004.8★8 レビュー

    Buyers praise the Sony A7III for its ease of use, excellent image quality, and robust build, with many upgrading from other brands or DSLRs.

    • Excellent picture quality and easy to use, ideal for various photography needs.
    • Solid build and value, serving as a reliable upgrade from older cameras.
    • Autofocus and low-light performance exceed expectations, suitable for professional work.
    • User interface is intuitive despite some initial concerns, with quick customization options.
  9. Q2 202492/1004.8★4 レビュー

    Buyers praise the camera as lightweight, versatile, and excellent for both photo and video, with many noting it's ideal for beginners or upgrading.

    • Lightweight and travel-friendly design
    • Excellent image and video quality
    • Easy to use, even for beginners
    • Some desire for higher-end model, but satisfied with value
  10. Q1 2024100/1005.0★3 レビュー

    Three 5-star reviews praise excellent image quality, stabilization, easy use, and complete kit accessories. Buyers are highly satisfied.

    • Outstanding image quality and lens clarity, even with the kit lens.
    • Effective in-body stabilization helps produce sharp photos.
    • Kit includes useful, quality accessories that justify the price.
    • Great value for wedding photographers needing accuracy and reliability.
  11. Q4 2023100/1005.0★7 レビュー

    Buyers loved the camera for its crisp images, ease of use, and low-light performance. Some noted a learning curve.

    • Crisp, clear, and high-quality images, especially in low light.
    • Easy to use and portable; users take it everywhere.
    • Great for beginners learning photography; fulfilling experience.
    • Learning curve mentioned, but expected and managed via resources.
  12. Q2 202390/1004.8★4 レビュー

    Buyers praised the camera as excellent for beginners and a joy to use, but one warned of shutter failure before rated life expectancy.

    • Great for beginners and a pleasure to use, with vibrant colors and good lowlight performance.
    • Compact, ergonomic design praised for comfort and suitability for work and play.
    • Longtime user loves the camera but had shutter break at 132,676 actuations, below expected 200,000.
    • Highly recommended, with an exciting kit that adds value.
  13. Q1 202367/1004.2★6 レビュー

    This period shows strong praise for the camera's versatility, build quality, and performance, but with notable frustrations over complex menus and poor software.

    • Excellent all-rounder for video and photos; praised for versatility and build quality.
    • Complex menus and dull handling prompted some returns, with software issues driving one user back to Leica.
    • Great performance for both documentaries and weddings; quick delivery from Adorama.
    • Solid camera with good image output, but software reliability a concern for some.
  14. Q4 2022100/1005.0★6 レビュー

    All reviews are 5-star, praising image quality, value, and bundling. Buyers considered it a great beginner or hybrid option.

    • Excellent image quality and lightweight design.
    • Great value, affordable compared to newer models.
    • Well-packaged bundle with all necessary accessories.
    • Ideal for beginners and hybrid wedding shooting.
  15. Q3 202291/1004.9★7 レビュー

    Buyers in Q3 2022 consistently praised the camera as high-quality, easy to use, and an excellent upgrade for beginners or from other brands.

    • Great quality and ease of use for beginners.
    • Excellent upgrade from older models like a6000 or Nikon D750.
    • Sharp focus and good photo-video combo at a fair price.
    • Strong brand loyalty and overall satisfaction.
  16. Q2 202270/1004.5★4 レビュー

    Buyers praised the camera's features, quality, and value, but a critical HDMI failure shortly after warranty was a notable concern.

    • Great camera quality and features like full-frame sensor and IBIS.
    • Good value for the price, especially as an upgrade.
    • Outstanding performance but menu system could be improved.
    • HDMI output failed one month after warranty ended; costly repair.
  17. Q1 202293/1004.9★8 レビュー

    Buyers praised the A7III as a great starter camera with excellent dynamic range. Some noted the kit lens is adequate, but the menu system is frustrating.

    • Camera is lightweight, portable, and comfortable to use for both video and photos.
    • Excellent dynamic range and image quality, especially for hobbyists and content creators.
    • Kit lens is fine for beginners but some wished they had opted for the Tamron 28-75 instead.
    • Menu system is frustrating and difficult to navigate.

日付のある顧客レビュー 520 件を暦四半期ごとに集計しています。期間別の分析は英語です。

実証データ

パフォーマンス

パフォーマンス偏差値

AF 94.8
EVF 80.3
Build 94.9
Burst 77.6
Video 72.7
Sensor 62.2
Battery 96.8
Display 72.5
Connectivity 94.3
ユーザー評価 97.3
Stabilization 86.8

スペック

全スペック一覧

Sensor

Type CMOS
Size full-frame
Megapixels 25.9 MP
ISO Range 100
Processor BIONZ X

Autofocus

AF Points 693
AF Type Phase Detection: 693Contrast Detection: 425
Eye AF Yes
Animal AF Yes
Subject Detection Yes

Shooting

Burst (Mechanical) 10
Burst (Electronic) 10
Max Shutter 1/8000
Electronic Shutter Yes

Video

Max Resolution 4K
4K FPS 30
1080p FPS 120
10-bit No
Log Profile Yes
RAW Video Yes
Codec H.264, XAVC S, AVCHD

Display & EVF

Screen Size 3"
Touchscreen Yes
Articulating Yes
EVF Resolution 2.36 M dots

Build

Weather Sealed Yes
Weight 0.7 kg / 1.4 lbs
Battery Life 610

Connectivity

Wi-Fi Yes
Bluetooth Yes
USB USB-C
HDMI Micro-HDMI
Hot Shoe Yes

競合製品との比較

Spec Sony a7 III Fujifilm X-H2S Panasonic LUMIX GH7 OM System OM-1 Olympus OM-D E-M1 Mark III Nikon Z fc
Type mirrorless mirrorless mirrorless mirrorless mirrorless mirrorless
Sensor 25.9MP full-frame 26.2MP aps-c 25.2MP micro-four-thirds 20.4MP micro-four-thirds 20.4MP micro-four-thirds 21.5MP aps-c
AF Points 693 425 315 1053 121 427
Burst FPS 10 40 75 10 15 11
Video 4K @30fps 6K @120fps 6K @120fps 4K @60fps 4K @30fps 4K @30fps
IBIS true true true true true true
Weather Sealed true true true true true true
Weight (g) 650 579 721 511 580 397
Compare Compare Compare Compare Compare
製品 AFEVFBuildBurstVideoSensorBatteryDisplayConnectivityユーザー評価Stabilization
Sony a7 III 94.880.394.977.672.762.296.872.594.397.386.8
Fujifilm X-H2S Compare 89.496.193.492.697.496.998.398.894.393.394.7
Panasonic LUMIX GH7 Compare 86.688.996.394.697.161.590.485.494.375.996.5
OM System OM-1 Compare 95.397.583.793.984.446.89585.486.482.686.8
Olympus OM-D E-M1 Mark III Compare 81.384.793.590.468.746.892.885.494.399.996.5
Nikon Z fc Compare 90.287.991.173.872.786.692.585.494.369.486.8

価格

コストパフォーマンス

Price History

New Refurbished
$500 $1,000 $1,500 $2,000 $2,500 5月4日5月16日5月29日6月13日6月28日7月20日 $1,690

用途別スコア

総合 (85.5)Video (82.1)Travel (83)Youtube (79.8)Beginner (88.2)Vlogging (73)Streaming (74)Photography (83.9)Wedding Events (84.9)Sports Wildlife (84.7)Product Photography (80)

その他の構成2

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